Home / 125,385.06-188,076.94-30,615.77

Finding the Fourth Proportional to 125,385.06, 188,076.94 and 30,615.77

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Solution

The fourth proportional to 125,385.06, 188,076.94 and 30,615.77 is: 45,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,385.06 : 188,076.94 = 30,615.77 : x
  2. Step 2: Convert to fraction form
    125,385.06/188,076.94 = 30,615.77/x
  3. Step 3: Cross multiply
    125,385.06x = 188,076.94 × 30,615.77
  4. Step 4: Simplify right side
    125,385.06x = 5,758,120,731.00
  5. Step 5: Solve for x
    x = 5,758,120,731.00/125,385.06
  6. Step 6: Final answer
    x = 45,923.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.